Only a few people with faimily name Bortulin live in Croatia today, in two households only. They are located in only one small Croatian place, in Beli on the Island of Cres (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States. Family name Bortulin is present in four countries on two continents. The family name "Bortulin " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.